Gamage, Dilan Giguruwa, Riddell, Michaela A, Joshi, Rohina, Thankappan, Kavumpurathu R, Chow, Clara K, Oldenburg, Brian, Evans, Roger G, Mahal, Ajay S, Kalyanram, Kartik et al (2020) Effectiveness of a scalable group-based education and monitoring program, delivered by health workers, to improve control of hypertension in rural India: A cluster randomised controlled trial. PLoS medicine, 17 (1). e1002997. ISSN 1549-1277